diff --git a/config/packages/pwa.yaml b/config/packages/pwa.yaml
index 5d96698..ed9b5d1 100644
--- a/config/packages/pwa.yaml
+++ b/config/packages/pwa.yaml
@@ -31,14 +31,12 @@ pwa:
               purpose: maskable
         screenshots:
             - src: '%kernel.project_dir%/public/favicon.png'
-              sizes: 2048x2048
-              type: image/png
               label: E-Ticket - Accueil
+              format: png
             - src: '%kernel.project_dir%/public/screen.png'
-              sizes: 1564x730
-              type: image/png
               label: E-Ticket - Billetterie associative
               form_factor: wide
+              format: png
         shortcuts:
             - name: Evenements
               short_name: Events